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• uninitialized constant Active Scaffold rails 2.3.5

  - by Kiva

  Hi guy, I update my rails application 2.0.2 to 2.3.5. I use active scaffold for the administration part. I change nothing in my code but a problem is coming with the update. I have a controller 'admin/user_controller' to manage users. Here is the code of the controller: class Admin::UserController < ApplicationController layout 'admin' active_scaffold :user do |config| config.columns.exclude :content, :historique_content, :user_has_objet, :user_has_arme, :user_has_entrainement, :user_has_mission, :mp, :pvp, :user_salt, :tchat, :notoriete_by_pvp, :invitation config.list.columns = [:user_login, :user_niveau, :user_mail, :user_bloc, :user_valide, :group_id] #:user_description, :race, :group, :user_lastvisited, :user_nextaction, :user_combats_gagner, :user_combats_perdu, :user_combats_nul, :user_password, :user_salt, :user_combats, :user_experience, :user_mana, :user_vie config.create.link.page = true config.update.link.page = true config.create.columns.add :password, :password_confirmation config.update.columns.add :password, :password_confirmation config.create.columns.exclude :user_password, :user_salt config.update.columns.exclude :user_password, :user_salt config.list.sorting = {:user_login => 'ASC'} config.subform.columns = [] end end This code hasn't change with the update, but when I go in this page, I got this error: uninitialized constant Users /Users/Kiva/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:443:in `load_missing_constant' /Users/Kiva/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:80:in `const_missing' /Users/Kiva/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/dependencies.rb:92:in `const_missing' /Users/Kiva/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/inflector.rb:361:in `constantize' /Users/Kiva/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/inflector.rb:360:in `each' /Users/Kiva/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/inflector.rb:360:in `constantize' /Users/Kiva/.gem/ruby/1.8/gems/activesupport-2.3.5/lib/active_support/core_ext/string/inflections.rb:162:in `constantize' /Users/Kiva/Documents/Projet-rpg/jeu/vendor/plugins/active_scaffold/lib/extensions/reverse_associations.rb:28:in `reverse_matches_for' /Users/Kiva/Documents/Projet-rpg/jeu/vendor/plugins/active_scaffold/lib/extensions/reverse_associations.rb:24:in `each' /Users/Kiva/Documents/Projet-rpg/jeu/vendor/plugins/active_scaffold/lib/extensions/reverse_associations.rb:24:in `reverse_matches_for' /Users/Kiva/Documents/Projet-rpg/jeu/vendor/plugins/active_scaffold/lib/extensions/reverse_associations.rb:11:in `reverse' /Users/Kiva/Documents/Projet-rpg/jeu/vendor/plugins/active_scaffold/lib/active_scaffold/data_structures/column.rb:117:in `autolink?' /Users/Kiva/Documents/Projet-rpg/jeu/vendor/plugins/active_scaffold/lib/active_scaffold.rb:107:in `links_for_associations' /Users/Kiva/Documents/Projet-rpg/jeu/vendor/plugins/active_scaffold/lib/active_scaffold/data_structures/columns.rb:62:in `each' /Users/Kiva/Documents/Projet-rpg/jeu/vendor/plugins/active_scaffold/lib/active_scaffold/data_structures/columns.rb:62:in `each' /Users/Kiva/Documents/Projet-rpg/jeu/vendor/plugins/active_scaffold/lib/active_scaffold.rb:106:in `links_for_associations' /Users/Kiva/Documents/Projet-rpg/jeu/vendor/plugins/active_scaffold/lib/active_scaffold.rb:59:in `active_scaffold' /Users/Kiva/Documents/Projet-rpg/jeu/app/controllers/admin/user_controller.rb:11 I search since 2 days but I don't find the problem, can you help me please.

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• Evenly distribute items on the screen

  - by abolotnov

  I am trying to solve this little puzzle (the algorithm): I have N image icons and I want to distribute them evenly on users screen. Say, I put them in a table. If there is one image, there will be one cell in a table. If two - one row with two columns, if three - one row and three columns, if four - two rows, two columns... and so on until row space is gone and since then the table should only grow in columns without adding extra rows. I'm trying to figure an algorithm for this and perhaps this is something that has a solution already somewhere? My attempt is so far something like this: obtain_max_rows() obtain_visible_columns() if (number_of_pictures > max_rows*max_columns) { columns = roundup(number_of_pictures/max_rows) for(max_rows){generate row;for columns{generate column}} } else { **here comes to trouble...** } This logic is bit silly though - it somehow needs to think cases where there are 12 pictures on first screen and 2 on the other trying to balance it say 8/6 or somehow like that.

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• IE 8 Automatically Closing <header> tag

  - by djthoms

  Background I am currently working on the final QA of a responsive website and I'm having an issue with IE 8 and IE 7. My client deals with government contracting so their website needs to be compatible with IE 8 and IE 7. I am using Modernizr with html5shiv built in. I am loading Modernizr in the footer of a WordPress theme that was custom built for this project. I'm not missing a doctype or any other obvious code. I am using the following scripts, all of which are loaded in the footer of WordPress: jQuery 1.10.1 Modernizr 2.6.3 (click for config) respond.js 1.3.0 superfish jQuery Waypoints 2.0.3 jQuery Waypoints Sticky 2.0.3 The Situation I'm having an issue with IE 8 automatically closing a <header> tag. First, I have used two utilities to check this issue: IETester IE 11 emulated to IE 8 w/ IE 8 User agent Here is the correct output <div class="wrapper main-header"> <header class="container"> <div class="sixteen columns alpha omega"> <div class="eight columns alpha omega logo"> <a href="http://example.com"><img src="http://example.com/wp-content/uploads/2013/10/logo.png" alt="Example"></a> </div> <div class="wrapper main-navigation desktop"> <nav id="nav" class="six columns alpha omega"> ... </nav> <div class="eight columns alpha omega overlay" style="display: none;"> ... </div> <div class="two columns alpha omega menu-ss"> ... </div> </div><!-- .wrapper.main-navigation --> </div><!-- /.sixteen.columns --> </header><!--/header--> </div><!-- /.main-header --> What IE 8 is rendering: <div class="wrapper main-header"> <header class="container"></header> <div class="sixteen columns alpha omega"> <div class="eight columns alpha omega logo"> <a href="http://example.com"><img src="http://example.com/wp-content/uploads/2013/10/logo.png" alt="Example"></a> </div> <div class="wrapper main-navigation desktop"> <nav id="nav" class="six columns alpha omega"> ... </nav> <div class="eight columns alpha omega overlay" style="display: none;"> ... </div> <div class="two columns alpha omega menu-ss"> ... </div> </div><!-- .wrapper.main-navigation --> </div><!-- /.sixteen.columns --> </header><//header><!--/header--> </div><!-- /.main-header --> What I have Tried Loading html5shiv with IE conditional in the <head> Loading Modernizr in the <head> I have looked at these Stackoverflow questions/answers: html 5 tags foorter or header in ie 8 and ie 7 html5 not rendering header tags in ie IE 8 self closing tags automatically Any assistance with this is greatly appreciated! I would really really really like to finish this website over the weekend. I've been banging my head against a wall for the past few hours over this issue. Update Here are some images from browsershack to cut out the emulation. I tested the site virtually with Windows 7 and WIndows XP (IE 8 & IE 7). http://www.browserstack.com/screenshots/0d7c1d6dd22927c20495e67f07afe8934957b4d1

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• Ruby on Rails ActiveScaffold: Showing {{model}} instead of model name?

  - by AnExtremelySmellyPerson

  Hi there, I'm using ActiveScaffold with Ruby on Rails and I'm loving it, however there is one weird thing. Whenever I hit "Edit" or "Create New" in my webapp's ActiveScaffold, it says "Create {{model}}" or "Update {{model}}" in the webapp rather than using the model's name. Why is this? I have an ads_controller.rb that includes this: active_scaffold :ad do |config| config.label = "Ads" config.columns = [:name, :description, :imageUrl, :linkUrl, :apps, :created_at, :updated_at] config.update.columns = [:name, :description, :imageUrl, :linkUrl, :apps] config.create.columns = config.update.columns list.sorting = {:created_at => 'DESC'} columns[:imageUrl].label = "Image URL" columns[:linkUrl].label = "Link URL" end And my routes.rb includes this: map.namespace :admin do |admin| admin.root :controller => 'admin_home', :action => 'index' admin.resources :ads, :active_scaffold => true end Any thoughts on why I'm seeing "Create {{model}}" instead of "Create ad" ?

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• CSS+HTML: tds are overlapping

  - by Budda

  On my web-site http://vfm-elita.com (it is not in English, sorry for that) - center and right columns are overlapping, please see screenshot for details: Between left and center columns you can see a "gap" with a green background - it is expected and good. But there are no any gap between center and right columns, instead they are overlapping. Issue exists in all known browsers There are no special formatting applied to columns. They are usual 'TD' columns, the only CSS modifier is width that is "250px" for left and right columns, and for center - it is "auto". Please advise how can I correct that error. Thanks a lot!

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• How can I use a delimiter in wmic output, separating columns?

  - by Abhishek Simon

  I want to fetch Windows Hotfix listing with some format, whose output can be separated with some delimiter. so far I found a wmic command which gives me a desired output but the problem is the \s delimiter is not going to work here. Is there a way I can place some , or anyother character, which I can later use in java program to get individual columns? Command wmic qfe get caption,csname,description,hotfixid,installedby,installedon Output Caption CSName Description HotFixID InstalledBy InstalledOn http://go.microsoft.com/fwlink/?LinkId=161784 Abhishek Update KB971033 NT AUTHORITY\SYSTEM 3/15/2012 http://support.microsoft.com/?kbid=2032276 Abhishek Security Update KB2032276 NT AUTHORITY\SYSTEM 3/15/2012 .. . Update I am trying for /f "tokens=1,2,3,4,5,6,7,8,9,10,11" %g in ('wmic qfe get caption,csname,description,fixcomments,hotfixid,installdate,installedby,installedon,name,servicepackineffect,status') do @echo %g,%h,%i,%j,%k,%l,%m,%n,%o,%p but it gives me invalid GET Expression C:\Users\Abhishek\Desktop>for /f "tokens=1,2,3,4,5,6,7,8,9,10,11" %g in ('wmic qfe get caption,csname,description,fixcomments,hotfixid,installdate,installedby,installedon,name,servicepackineffect,status') do @echo %g,%h,%i,%j,%k,%l,%m,%n,%o,%p Invalid GET Expression. What is the problem here? This might solve the problem for me . More Update I even tried the below command but this too does not solve space problem Command for /f "tokens=1,2,3,4,5,6,7,8,9,10,11" %g in ('wmic qfe list') do @echo %g,%h,%i,%j,%k,%l,%m,%n,%o,%p Output Caption,CSName,Description,FixComments,HotFixID,InstallDate,InstalledBy,InstalledOn,Name,ServicePackInEffect http://go.microsoft.com/fwlink/?LinkId=161784,Abhishek,Update,KB971033,NT,AUTHOR,,Y\SYSTEM,3/15/2012, http://support.microsoft.com/?kbid=2281679,Abhishek,Security,Update,KB2281679,NT,AUTHORITY\SYSTEM,3/15/2012, http://support.microsoft.com/?kbid=2284742,Abhishek,Update,KB2284742,NT,AUTHORIT,,SYSTEM,3/15/2012, http://support.microsoft.com/?kbid=2286198,Abhishek,Security,Update,KB2286198,NT,AUTHORITY\SYSTEM,3/15/2012,

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• SQL Server, how to join a table in a "rotated" format (returning columns instead of rows)?

  - by Joshua Carmody

  Sorry for the lame title, my descriptive skills are poor today. In a nutshell, I have a query similar to the following: SELECT P.LAST_NAME, P.FIRST_NAME, D.DEMO_GROUP FROM PERSON P JOIN PERSON_DEMOGRAPHIC PD ON PD.PERSON_ID = P.PERSON_ID JOIN DEMOGRAPHIC D ON D.DEMOGRAPHIC_ID = PD.DEMOGRAPHIC_ID This returns output like this: LAST_NAME FIRST_NAME DEMO_GROUP --------------------------------------------- Johnson Bob Male Smith Jane Female Smith Jane Teacher Beeblebrox Zaphod Male Beeblebrox Zaphod Alien Beeblebrox Zaphid Politician I would prefer the output be similar to the following: LAST_NAME FIRST_NAME Male Female Teacher Alien Politician --------------------------------------------------------------------------------------------------------- Johnson Bob 1 0 0 0 0 Smith Jane 0 1 1 0 0 Beeblebrox Zaphod 1 0 0 1 1 The number of rows in the DEMOGRAPHIC table varies, so I can't say with certainty how many columns I need. The query needs to be flexible. Yes, it would be trivial to do this in code. But this query is one piece of a complicated set of stored procedures, views, and reporting services, many of which are outside my sphere of influence. I need to produce this output inside the database to avoid breaking the system. Any ideas? This is MS SQL Server 2005, by the way. Thanks.

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• How can I line up columns with Perl's printf when the value might be a number or a string?

  - by user317203

  I am trying to output a document that looks like this (more at http://pastebin.com/dpBAY8Sb): 10.1.1.1 100 <unknown> <unknown> <unknown> <unknown> <unknown> 72.12.148.186 94 Canada Hamilton ON 43.250000 -79.833300 0.00 72.68.209.149 24 United States Richmond Hill NY 40.700500 -73.834500 611.32 72.192.33.34 4 United States Rocky Hill CT 41.657800 -72.662700 657.48 I cannot find how to format the output I have to have a floating poing and format the distance between columns. My current code looks something like this. if (defined $longitude){ printf FILE ("%-8s %.6f","",$longitude); }else{ $longitude = "<unknown>"; printf FILE ("%-20s ",$longitude); } The extra "" throws off the whole column and it looks like this (more at http://pastebin.com/kcwHyNwb). 10.1.1.1 100 <unknown> <unknown> <unknown> <unknown> <unknown> 72.12.148.186 94 Canada Hamilton ON 43.250000 -79.833300 0.00 72.68.209.149 24 United States Richmond Hill NY 40.700500 -73.834500 571.06

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• Why are my Fluent NHibernate SubClass Mappings generating redundant columns?

  - by Brook

  I'm using Fluent NHibernate 1.x build 694, built against NH 3.0 I have the following entities public abstract class Card { public virtual int Id { get; set; } public virtual string Name { get; set; } public virtual string Description { get; set; } public virtual Product Product { get; set; } public virtual Sprint Sprint { get; set; } } public class Story:Card { public virtual double Points { get; set; } public virtual int Priority { get; set; } public virtual IList<Task> Tasks { get; set; } } And the following mappings public class CardMap:ClassMap<Card> { public CardMap() { Id(c => c.Id) .Index("Card_Id"); Map(c => c.Name) .Length(50) .Not.Nullable(); Map(c => c.Description) .Length(1024) .Not.Nullable(); References(c=>c.Product) .Not.Nullable(); References(c=>c.Sprint) .Nullable(); } } public class StoryMap : SubclassMap<Story> { public StoryMap() { Map(s => s.Points); Map(s => s.Priority); HasMany(s => s.Tasks); } } When I generate my Schema, the tables are created as follows Card --------- Id Name Description Product_id Sprint_id Story ------------ Card_id Points Priority Product_id Sprint_id What I would have expected would have been to see the columns Product_id and Sprint_id ONLY in the Card table, not the Story table. What am I doing wrong or misunderstanding?

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• Best way to randomly select columns from random rows of SQL results.

  - by LesterDove

  A search of SO yields many results describing how to select random rows of data from a database table. My requirement is a bit different, though, in that I'd like to select individual columns from across random rows in the most efficient/random/interesting way possible. To better illustrate: I have a large Customers table, and from that I'd like to generate a bunch of fictitious demo Customer records that aren't real people. I'm thinking of just querying randomly from the Customers table, and then randomly pairing FirstNames with LastNames, Address, City, State, etc. So if this is my real Customer data (simplified): FirstName LastName State ========================== Sally Simpson SD Will Warren WI Mike Malone MN Kelly Kline KS Then I'd generate several records that look like this: FirstName LastName State ========================== Sally Warren MN Kelly Malone SD Etc. My initial approach works, but it lacks the elegance that I'm hoping the final answer will provide. (I'm particularly unhappy with the repetitiveness of the subqueries, and the fact that this solution requires a known/fixed number of fields and therefore isn't reusable.) SELECT FirstName = (SELECT TOP 1 FirstName FROM Customer ORDER BY newid()), LastName= (SELECT TOP 1 LastNameFROM Customer ORDER BY newid()), State = (SELECT TOP 1 State FROM Customer ORDER BY newid()) Thanks!

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• Is it bad use "display: table;" to organise a layout into 2 columns?

  - by Colen

  Hello, I am trying to make a 2 column layout, apparently the bane of CSS. I know you shouldn't use tables for layout, but I've settled on this CSS. Note the use of display: table etc. div.container { width: 600px; height: 300px; margin: auto; display: table; table-layout: fixed; } ul { white-space: nowrap; overflow: hidden; display: table-cell; width: 40%; } div.inner { display: table-cell; width: auto; } With this layout: <div class="container"> <ul> <li>First</li> <li>Second</li> <li>Third</li> </ul> <div class="inner"> <p>Hello world</p> </div> </div> This seems to work admirably. However, I can't help wondering - am I obeying the letter of the "don't use tables" rule, but not the spirit? I think it's ok, since there's no positioning markup in the HTML code, but I'm just not sure about the "right" way to do it. I can't use css float, because I want the columns to expand and contract with the available space. Please, stack overflow, help me resolve my existential sense of dread at these pseudo-tables.

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• How do I tweak columns in a Flat File Destination in SSIS?

  - by theog

  I have an OLE DB Data source and a Flat File Destination in the Data Flow of my SSIS Project. The goal is simply to pump data into a text file, and it does that. Where I'm having problems is with the formatting. I need to be able to rtrim() a couple of columns to remove trailing spaces, and I have a couple more that need their leading zeros preserved. The current process is losing all the leading zeros. The rtrim() can be done by simple truncation and ignoring the truncation errors, but that's very inelegant and error prone. I'd like to find a better way, like actually doing the rtrim() function where needed. Exploring similar SSIS questions & answers on SO, the thing to do seems to be "Use a Script Task", but that's ususally just thrown out there with no details, and it's not at all an intuitive thing to set up. I don't see how to use scripting to do what I need. Do I use a Script Task on the Control Flow, or a Script Component in the Data Flow? Can I do rtrim() and pad strings where needed in a script? Anybody got an example of doing this or similar things? Many thanks in advance.

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• how can i set up a uniqueness constraint in mysql for columns that can be null?

  - by user299689

  I know that in MySQL, UNIQUE constraits don't treat NULL values as equal. So if I have a unique constraint on ColumnX, then two separate rows can have values of NULL for ColumnX and this wouldn't violate the constraint. How can I work around this? I can't just set the value to an arbitrary constant that I can flag, because ColumnX in my case is actually a foreign key to another table. What are my options here? Please note that this table also has an "id" column that is its primary key. Since I'm using Ruby on Rails, it's important to keep this id column as the primary key. Note 2: In reality, my unique key encompasses many columns, and some of them have to be null, because they are foreign keys, and only one of them should be non-null. What I'm actually trying to do is to "simulate" a polymorphic relationship in a way that keep referential integrity in the db, but using the technique outlined in the first part of the question asked here: http://stackoverflow.com/questions/922184/why-can-you-not-have-a-foreign-key-in-a-polymorphic-association

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• Performance of stored proc when updating columns selectively based on parameters?

  - by kprobst

  I'm trying to figure out if this is relatively well-performing T-SQL (this is SQL Server 2008). I need to create a stored procedure that updates a table. The proc accepts as many parameters as there are columns in the table, and with the exception of the PK column, they all default to NULL. The body of the procedure looks like this: CREATE PROCEDURE proc_repo_update @object_id bigint ,@object_name varchar(50) = NULL ,@object_type char(2) = NULL ,@object_weight int = NULL ,@owner_id int = NULL -- ...etc AS BEGIN update object_repo set object_name = ISNULL(@object_name, object_name) ,object_type = ISNULL(@object_type, object_type) ,object_weight = ISNULL(@object_weight, object_weight) ,owner_id = ISNULL(@owner_id, owner_id) -- ...etc where object_id = @object_id return @@ROWCOUNT END So basically: Update a column only if its corresponding parameter was provided, and leave the rest alone. This works well enough, but as the ISNULL call will return the value of the column if the received parameter was null, will SQL Server optimize this somehow? This might be a performance bottleneck on the application where the table might be updated heavily (insertion will be uncommon so the performance there is not a problem). So I'm trying to figure out what's the best way to do this. Is there a way to condition the column expressions with something like CASE WHEN or something? The table will be indexed up the wazoo as well for read performance. Is this the best approach? My alternative at this point is to create the UPDATE expression in code (e.g. inline SQL) and execute it against the server. This would solve my doubts about performance, but I'd rather leave this in a stored proc if possible.

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• DataTables - Total rowCount - How to cut euro sign in the columns?

  - by Ivan M

  For my DataTable I'm using the fnFooterCallback function to display the total amount of the column, which is working untill the columns contain a special character, like in this case a euro valuta sign. How can I adjust this code so it will not detect the euro sign? "fnFooterCallback": function ( nRow, aaData, iStart, iEnd, aiDisplay ) { /* * Calculate the total market share for all browsers in this table (ie inc. outside * the pagination) */ var iTotal = 0; for ( var i=0 ; i<aaData.length ; i++ ) { iTotal += aaData[i][7]*1; } /* Calculate the market share for browsers on this page */ var iPage = 0; for ( var i=iStart ; i<iEnd ; i++ ) { iPage += aaData[ aiDisplay[i] ][7]*1; } /* Modify the footer row to match what we want */ var nCells = nRow.getElementsByTagName('th'); nCells[1].innerHTML = parseInt(iPage); } Thank you in advance. EDIT With not detecting I mean to str_replace or something like that. Not familiar with javascript language..

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• Matching up text in 2 different columns in a table?

  - by user297663

  Hey guys, I have recently been working on a pastebin script (for fun) and I've come across a problem that I can't seem to solve in CSS. I have a table with 2 columns. 1 column is used to display the line numbers and the 2nd column is used to display the code. I can't seem to get the numbers match up with the lines in the code so it looks all weird (example: www.zamnproductions.com/paste.php?id=32). Take a look at my code (the snippet): <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> td.num { vertical-align: top; } td.numbers { display:table-cell; padding:1px; vertical-align: top; line-height:25px; } td.code { display:table-cell; vertical-align: top; line-height:20px; } #hide { display:none; } #leftcontent { position: absolute; left:10px; top:119px; width:200px; background:#fff; border:0px solid #000; } #centercontent { background:#fff; margin-left: 199px; margin-right:199px; border:0px solid #000; voice-family: "\"}\""; voice-family: inherit; margin-left: 201px; margin-right:201px; } htmlbody #centercontent { margin-left: 202px; margin-right:201px; } Here is the part where the table is made: listNumbers($_GET['id']); ? viewCode($_GET['id']); ?

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• How to easily change columns into rows in Excel?

  - by DavidD

  I have a huge Excel table that I need to transform into paragraphs for a Word report, and I can't find an efficient way to do it The source looks like this: And I would ultimately need something like this, i.e. through a pivot table. Note that "Item C", which doesn't have any description values, is skipped: Now, to get there I believe I need to transform my source to this intermediate format, that has one description per line: How do I get from the source to the intermediate format in an efficient way? Or maybe there is an easier way to produce the target format that I don't know of? Any help is welcome!

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• How can I compare two columns in Excel to highlight words that don't match?

  - by Jez Vander Brown

  (I'm using Microsoft excel 2010) OK, lets say I have a list of phrases in both column A and column B (see screen shot below) What I would like to happen whether it be with a macro, VBA or formula is: If there is a word in any cell in column A that isn't any of the words in any cell in column B to highlight that word in red. For example: in cell A9 the word "buy" is there, but the word buy isn't mentioned anywhere in column B so i would like the word buy to highlight in red. How can I accomplish this? (I think a macro/vba would be the best option but I have no idea how to create it, or even if its possible.)

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• How do you force excel to quote all columns of a CSV file?

  - by Michael Shnitzer

  Excel only places quotes around certain fields, how do I force excel to save a CSV file with quotes around every column?

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• How do I count the times each number appears in columns of numbers?

  - by Andy C.

  I am sure this must be easy, but I am inexperienced. About the best way to think of my problem is to think of it as trying to sort and then count lottery numbers. To stay simple, let's do a Pick 3 game. Let's look at 10 drawings. I would split each drawn number into a separate column: DATE BALL#1 BALL#2 BALL#3 3/1 1 3 5 3/2 3 7 8 3/3 2 2 1 3/4 5 7 6 3/5 2 3 1 3/6 0 5 9 3/7 3 7 0 3/8 6 8 4 3/9 2 4 3 3/10 7 1 2 I would like to be able to build formulas into cells that would tell me how many times each number appeared overall, and how many times each number appeared in the position it occurred. Like this (using the above example): Number Overall Count Ball#1 Count Ball#2 Count Ball#3 Count 0 2 1 0 1 1 4 1 1 2 (That is, The number zero appears twice overall, and came up once as the first number drawn; zero times as the middle ball; and once as the third ball. Likewise, the number 1 was drawn four times in our 10-day period. It was the first ball once, the second ball once and the third ball twice.) And so on. All help appreciated. I have access to Excel and Microsoft Works, or of course if there is a Google Docs way to handle this All thanks for any help.

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• In Mac OS X Finder's column view, how do you show all columns, up to the list of volumes?

  - by John Douthat

  In OS X's olden times, column view always allowed you to scroll left back to the list of volumes. In recent versions, however, the Finder will hide parents and ancestors. For example, when you select a favorite "place" in the sidebar, no ancestors of that folder will be visitable without pressing Cmd+Up, but hitting Cmd+Up causes the current directory to lose focus, or disappear entirely, depending on the number of levels . Clicking "Back" sends you back to the folder you where in, but it also re-hides all of its ancestors :( I really wish I could see the entire hierarchy. Is that possible?

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• How can we define more than one table,define columns and write data in xml file ?

  - by Harikrishna

  I am writing my xml file manually. And I am writing that for storing data and retrieving data from that. I have written file like for the table PersonalInfo. <?xml version="1.0" standalone="yes"?> <PersonalInfo> <xs:schema id="PersonalInfo" xmlns="" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata"> <xs:element name="PersonalInfo" msdata:IsDataSet="true" msdata:UseCurrentLocale="true"> <xs:complexType> <xs:choice minOccurs="0" maxOccurs="unbounded"> <xs:element name="PesonalInfo."> <xs:complexType> <xs:sequence> <!--Define Column Here....--> <xs:element name="name" type="xs:string" /> <xs:element name="address" type="xs:string" /> </xs:sequence> </xs:complexType> </xs:element> </xs:choice> </xs:complexType> </xs:element> </xs:schema> <!--First Row--> <PersonalInfo.> <name>Harikrishna</name> <address>India</address> </PersonalInfo.> <!--Second Row--> <PersonalInfo.> <name>Jatin</name> <address>India</address> </PersonalInfo.> </PersonalInfo> Please suggest any mistake with writing file here. And now I want define more than table in this file. And here I have to write data for the table like <PersonalInfo.> <name>Harikrishna</name> <address>India</address> </PersonalInfo.> <PersonalInfo.> <name>Jatin</name> <address>India</address> </PersonalInfo.> Is not possible some thing writing data when defining columns EDIT : <xs:element name="name" type="xs:string",Harikrishna,Jatin.... /> <xs:element name="address" type="xs:string",India,India.... /> And how to define more than one table in a single xml file ?

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• WPF ListView as a DataGrid – Part 3

  - by psheriff

  I have had a lot of great feedback on the blog post about turning the ListView into a DataGrid by creating GridViewColumn objects on the fly. So, in the last 2 parts, I showed a couple of different methods for accomplishing this. Let’s now look at one more and that is use Reflection to extract the properties from a Product, Customer, or Employee object to create the columns. Yes, Reflection is a slower approach, but you could create the columns one time then cache the View object for re-use. Another potential drawback is you may have columns in your object that you do not wish to display on your ListView. But, just because so many people asked, here is how to accomplish this using Reflection.   Figure 1: Use Reflection to create GridViewColumns. Using Reflection to gather property names is actually quite simple. First you need to pass any type (Product, Customer, Employee, etc.) to a method like I did in my last two blog posts on this subject. Below is the method that I created in the WPFListViewCommon class that now uses reflection. C#public static GridView CreateGridViewColumns(Type anyType){  // Create the GridView  GridView gv = new GridView();  GridViewColumn gvc;   // Get the public properties.  PropertyInfo[] propInfo =          anyType.GetProperties(BindingFlags.Public |                                BindingFlags.Instance);   foreach (PropertyInfo item in propInfo)  {    gvc = new GridViewColumn();    gvc.DisplayMemberBinding = new Binding(item.Name);    gvc.Header = item.Name;    gvc.Width = Double.NaN;    gv.Columns.Add(gvc);  }   return gv;} VB.NETPublic Shared Function CreateGridViewColumns( _  ByVal anyType As Type) As GridView  ' Create the GridView   Dim gv As New GridView()  Dim gvc As GridViewColumn   ' Get the public properties.   Dim propInfo As PropertyInfo() = _    anyType.GetProperties(BindingFlags.Public Or _                          BindingFlags.Instance)   For Each item As PropertyInfo In propInfo    gvc = New GridViewColumn()    gvc.DisplayMemberBinding = New Binding(item.Name)    gvc.Header = item.Name    gvc.Width = [Double].NaN    gv.Columns.Add(gvc)  Next   Return gvEnd Function The key to using Relection is using the GetProperties method on the type you pass in. When you pass in a Product object as Type, you can now use the GetProperties method and specify, via flags, which properties you wish to return. In the code that I wrote, I am just retrieving the Public properties and only those that are Instance properties. I do not want any static/Shared properties or private properties. GetProperties returns an array of PropertyInfo objects. You can loop through this array and build your GridViewColumn objects by reading the Name property from the PropertyInfo object. Build the Product Screen To populate the ListView shown in Figure 1, you might write code like the following: C#private void CollectionSample(){  Product prod = new Product();   // Setup the GridView Columns  lstData.View =      WPFListViewCommon.CreateGridViewColumns(typeOf(Product));  lstData.DataContext = prod.GetProducts();} VB.NETPrivate Sub CollectionSample()  Dim prod As New Product()   ' Setup the GridView Columns  lstData.View = WPFListViewCommon.CreateGridViewColumns( _       GetType(Product))  lstData.DataContext = prod.GetProducts()End Sub All you need to do now is to pass in a Type object from your Product class that you can get by using the typeOf() function in C# or the GetType() function in VB. That’s all there is to it! Summary There are so many different ways to approach the same problem in programming. That is what makes programming so much fun! In this blog post I showed you how to create ListView columns on the fly using Reflection. This gives you a lot of flexibility without having to write extra code as was done previously. NOTE: You can download the complete sample code (in both VB and C#) at my website. http://www.pdsa.com/downloads. Choose Tips & Tricks, then "WPF ListView as a DataGrid – Part 3" from the drop-down. Good Luck with your Coding,Paul Sheriff ** SPECIAL OFFER FOR MY BLOG READERS **Visit http://www.pdsa.com/Event/Blog for a free eBook on "Fundamentals of N-Tier".  

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• Dynamic Unpivot : SSIS Nugget

  - by jamiet

  A question on the SSIS forum earlier today asked: I need to dynamically unpivot some set of columns in my source file. Every month there is one new column and its set of Values. I want to unpivot it without editing my SSIS packages that is deployed Let’s be clear about what we mean by Unpivot. It is a normalisation technique that basically converts columns into rows. By way of example it converts something like this: AccountCode Jan Feb Mar AC1 100.00 150.00 125.00 AC2 45.00 75.50 90.00 into something like this: AccountCode Month Amount AC1 Jan 100.00 AC1 Feb 150.00 AC1 Mar 125.00 AC2 Jan 45.00 AC2 Feb 75.50 AC2 Mar 90.00 The Unpivot transformation in SSIS is perfectly capable of carrying out the operation defined in this example however in the case outlined in the aforementioned forum thread the problem was a little bit different. I interpreted it to mean that the number of columns could change and in that scenario the Unpivot transformation (and indeed the SSIS dataflow in general) is rendered useless because it expects that the number of columns will not change from what is specified at design-time. There is a workaround however. Assuming all of the columns that CAN exist will appear at the end of the rows, we can (1) import all of the columns in the file as just a single column, (2) use a script component to loop over all the values in that “column” and (3) output each one as a column all of its own. Let’s go over that in a bit more detail.   I’ve prepared a data file that shows some data that we want to unpivot which shows some customers and their mythical shopping lists (it has column names in the first row): We use a Flat File Connection Manager to specify the format of our data file to SSIS: and a Flat File Source Adapter to put it into the dataflow (no need a for a screenshot of that one – its very basic). Notice that the values that we want to unpivot all exist in a column called [Groceries]. Now onto the script component where the real work goes on, although the code is pretty simple: Here I show a screenshot of this executing along with some data viewers. As you can see we have successfully pulled out all of the values into a row all of their own thus accomplishing the Dynamic Unpivot that the forum poster was after. If you want to run the demo for yourself then I have uploaded the demo package and source file up to my SkyDrive: http://cid-550f681dad532637.skydrive.live.com/self.aspx/Public/BlogShare/20100529/Dynamic%20Unpivot.zip Simply extract the two files into a folder, make sure the Connection Manager is pointing to the file, and execute! Hope this is useful. @Jamiet Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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• SQL SERVER – DVM sys.dm_os_sys_info Column Name Changed in SQL Server 2012

  - by pinaldave

  Have you ever faced situation where something does not work and when you try to go and fix it – you like fixing it and started to appreciate the breaking changes. Well, this is exactly I felt yesterday. Before I begin my story of yesterday I want to state it candidly that I do not encourage anybody to use * in the SELECT statement. One of the my DBA friend who always used my performance tuning script yesterday sent me email asking following question - “Every time I want to retrieve OS related information in SQL Server – I used DMV sys.dm_os_sys_info. I just upgraded my SQL Server edition from 2008 R2 to SQL Server 2012 RC0 and it suddenly stopped working. Well, this is not the production server so the issue is not big yet but eventually I need to resolve this error. Any suggestion?” The funny thing was original email was very long but it did not talk about what is the exact error beside the query is not working. I think this is the disadvantage of being too friendly on email sometime. Well, never the less, I quickly looked at the DMV on my SQL Server 2008 R2 and SQL Server 2012 RC0 version. To my surprise I found out that there were few columns which are renamed in SQL Server 2012 RC0. Usually when people see breaking changes they do not like it but when I see these changes I was happy as new names were meaningful and additionally their new conversion is much more practical and useful. Here are the columns previous names - Previous Column Name New Column Name physical_memory_in_bytes physical_memory_kb bpool_commit_target committed_target_kb bpool_visible visible_target_kb virtual_memory_in_bytes virtual_memory_kb bpool_commited committed_kb If you read it carefully you will notice that new columns now display few results in the KB whereas earlier result was in bytes. When I see the results in bytes I always get confused as I could not guess what exactly it will convert to. I like to see results in kb and I am glad that new columns are now displaying the results in the kb. I sent the details of the new columns to my friend and ask him to check the columns used in application. From my comment he quickly realized why he was facing error and fixed it immediately. Overall – all was well at the end and I learned something new. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL DMV, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, T SQL, Technology

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